# UserOrUserGroupIDEx

Location: [gRPC API](https://developer.m-files.com/APIs/gRPC-API/index.md) > [Reference](https://developer.m-files.com/APIs/gRPC-API/Reference/index.md) > [Messages](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/index.md)

HTML version: https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.UserOrUserGroupIDEx/

User or user group ID (extended).

- **Full name:** `MFiles.UserOrUserGroupIDEx`
- **Proto file:** [`mfiles/structs.proto`](https://developer.m-files.com/APIs/gRPC-API/downloads/proto/mfiles/structs.proto)

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## Fields

| Field | Type | Number | Description |
|---|---|---|---|
| <a id="f-type"></a>`type` | [`UserType`](https://developer.m-files.com/APIs/gRPC-API/Reference/Enums/MFiles.UserType/index.md) | 1 | User type. Values: `USER_TYPE_UNKNOWN` (0), `USER_TYPE_USER` (1), `USER_TYPE_USER_GROUP` (2), `USER_TYPE_WORKFLOW_STATE_PSEUDO_USER` (3), `USER_TYPE_PROPERTY_BASED_PSEUDO_USER` (4). |
| <a id="f-data"></a>`data` | [`UserOrUserGroupIDInfoUnion`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.UserOrUserGroupIDInfoUnion/index.md) | 2 | Additional user type -specific information as a union. |

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## Used in fields

- [`ActionSendNotification.recipients`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ActionSendNotification/index.md#f-recipients): The recipients.
- [`ActionSetAssignment.assigned_to_users`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ActionSetAssignment/index.md#f-assigned_to_users): The Assigned To users.
- [`ActionSetAssignment.monitored_by_users`](https://developer.m-files.com/APIs/gRPC-API/Reference/Messages/MFiles.ActionSetAssignment/index.md#f-monitored_by_users): The Monitored By users.